Śravaṇam precedes kīrtanam and smaranam because it is impossible to remember or glorify something one has not yet heard about. Despite this practical primacy of śravaṇam, kīrtanam is actually of primary significance and importance, and, therefore special attention should be given to its practice.

Question: What is the concept of shakti in Advaita-vada?
Answer: Brahman has no shakti but Isvara has.
Question: From where does Isvara get his shakti? If Brahman, the cause, doesn’t have it, how can the effect have shakti?

Question: I would like to know which chanting is more powerful, in the mind or audibly.
1) Srila Jiva Gosvami writes in his Krama sandarbha: “The names of God should be chanted loudly.”
2) Baladeva Vidyabhusana explain in the Stava malabibhusana bhasya, “If one chants the Hare Krsna mantra loudly, Krsna personally dances on his tongue.”